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Both strong and powerful, the Cat CM210 is unique in the industry with it's low seam height capability of 30 inches (762 mm) and its tremendous power. We've balanced the total installed power of 770 hp (575 kW) for both tractive effort and cutting power. As a result, this machine is extremely productive in coal - and when the geology demands it, will cut rock to help you stay on the seam or manage floor and ceiling states. The CM210 has a unique cutter boom design for high volume coal pass through. We've matched this volume capability with a conveyor system that has a loading capacity of 10 - 12 tons a minute (9-11 tonnes). You can match this machine to several of our haulage and utility products for systems efficiency.


Mining Range 0.71-1.52 m (28-60 in) 0.71-1.52 m (28-60 in) Less
Weight 47.60 tonnes (105,000 lb) 47.60 tonnes (105,000 lb) Less
Total Power 770.0 hp 575.0 kW Less

Longer Overhaul Interval

In addition to offering features that deliver superior performance, Cat continuous miners offer a whole range of engineering features that contribute to long, reliable service between overhauls.

Efficient Cuts

Infinitely variable tram control allows precise control of steering, speed and traction with independent control of the two sides. This high maneuverability allows faster positioning and optimum cutting, increasing productivity.


Cat continuous miners use a 75 mm steel plate for the main frame - 50% thicker than competitors.

Ease of Operation

Caterpillar offers a Machine Control Unit designed to operate the entire Cat continuous miner. Based on a mine-duty PLC, this drive and control system combines maximized coal production and operator safety with minimum downtime.

New Generation Controls

Caterpillar has ongoing development aimed at providing mining operations with reliable controls to the level of complexity that fits their needs.

High Availability, Low Maintenance

The dimensioning of components and structural elements - such as motors, pumps, clevises and pivots - and their location and packaging ensure ease of maintenance, increase machine availability and reduce operating costs. Cat continuous miners are built to last.

Ease of Maintenance

Cat continuous miners are designed to facilitate maintenance, which in turn cuts costs and increases availability and productivity. Unlike our major competitor, the cutter head gearcases on Cat machines are independent.

Commonality of Parts

The CM220, CM230 and CM240 have common components such as gathering head gearboxes, conveyor motors, tram motors, tram gearboxes, electrical boxes, radio control system, hydraulic pump, pump motor and crawler chain assemblies. The major common components of the CM330, CM340, CM345 and CM430 are the gathering head gearboxes, conveyor motors, tram motors, tram gearboxes, radio control system, hydraulic pump, pump motor, cutting head gearbox and crawler chain assemblies.


Motors are designed for heavy-duty 50 Hz operation so as not to compromise power, speed or production. Overheating and failure of these powerful motors is prevented by electronic motor overload protection.

Robust Gear Cases

The robust gears are made from carburized high-alloy steel with ground teeth for accuracy and quiet operation. The replaceable cutter head input gear cases allow quick and economical replacement of the components most susceptible to failure due to inadequate lubrication.

Low Overhaul Frequency

The overhaul interval is maximized by various measures to reduce wear and tear. All major wear areas - including spade, conveyor and cutter gear case webs - have long-life 13 mm Chrome Carbide Overlay (CCO) liners.

CM210 Standard Equipment

Heavy main frame for rigidity and stability

Independent tramming for maneuverability

Wide conveyor for maximum loading rates

Wide crawlers for maximum penetration and low ground pressure

Radio remote with self diagnostics available

Easy access and low maintenance